76% stronger Tensile strength over OEM material

the 4A-G 20V is a favorite amongst engine builders and tuners for performance motorsport builds

Each valve undergoes a 48-hour heat treatment and stress-relieving process to ensure optimal molecular integrity

Multiple camshaft profiles for mild or aggressive power gains

Upgrade your BMW N54 engine with CAT Cams camshafts for exceptional power and drivability from one of BMW’s most iconic turbocharged engines

Febi Bilstein Rocker Arm, BMW M20 11331271429 Options:Single Rocker Arm 76% stronger Tensile strength overThe M20 engine is a BMW inline six engine that was used in various BMW models. Rocker arms are components in an engine's valvetrain that help transfer the motion from the camshaft to the valves. If you have broken rocker arms in your M20 engine, it's important to address the issue promptly to avoid further damage to the engine and ensure proper performance. Before replacing the broken arm, identify why it broke. Consider factors like wear, lubrication